90391238

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{21031}}^1$

素因数の和:21347

約数の個数: 16

約数和(自身を含む): 155468544

約数和(自身を除く): 65077306

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 21031, 42062, 147217, 294434, 6456517, 12913034, 45195619, 90391238]

約数ペア:

[(1, 90391238), (2, 45195619), (7, 12913034), (14, 6456517), (307, 294434), (614, 147217), (2149, 42062), (4298, 21031)]